话不多说 直接一点
祝你好运!!
package com.alibaba.odps.tunnel.samples;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import com.alibaba.odps.tunnel.Column;
import com.alibaba.odps.tunnel.Configuration;
import com.alibaba.odps.tunnel.DataTunnel;
import com.alibaba.odps.tunnel.RecordSchema;
import com.alibaba.odps.tunnel.Upload;
import com.alibaba.odps.tunnel.io.Record;
import com.alibaba.odps.tunnel.io.RecordWriter;
public class FileUploadSample {
private static String endpoint = "http://dt.odps.aliyun.com"; // 公网
// private static String endpoint = "http://dt-ext.odps.aliyun-inc.com";
private static String accessId = "######";
private static String accessKey = "#######";
private static String project = "######";
private static SimpleDateFormat sdf = new SimpleDateFormat(
"yyyy-MM-dd HH:mm:ss");
public static void UploadFile(String fileName, String tableName, String pid)
throws Exception {
Configuration cfg = new Configuration(accessId, accessKey, endpoint);
DataTunnel tunnel = new DataTunnel(cfg);
BufferedReader br = null;
try {
String line = "";
Long blockid = (long) 0;
ArrayList<Long> blocks = new ArrayList<Long>();
blocks.add(blockid);
br = new BufferedReader(new InputStreamReader(new FileInputStream(
fileName), "gbk"));
Upload up = tunnel.createUpload(project, tableName, pid);
RecordSchema schema = up.getSchema();
Record r = new Record(schema.getColumnCount());
RecordWriter writer = up.openRecordWriter(blockid);
final long MAX_BYTE_WRITER = 50 * 1024 * 1024 * 1024L;
long max_byte_curr = MAX_BYTE_WRITER;
while ((line = br.readLine()) != null) {
if (line.length() == 0) {
continue;
}
String[] as = line.split(",", -1);
try {
for (int i = 0; i < schema.getColumnCount(); i++) {
Column.Type t = schema.getColumnType(i);
String a = as[i];
if ((a.length() == 0) && (t != Column.Type.ODPS_STRING)) {
switch (t) {
case ODPS_BIGINT:
r.setBigint(i, 0L);
break;
case ODPS_DOUBLE:
r.setDouble(i, 0.0);
break;
case ODPS_DATETIME:
r.setDatetime(i, new Date());
break;
case ODPS_BOOLEAN:
r.setBoolean(i, false);
break;
default:
break;
}
} else
switch (t) {
case ODPS_STRING:
r.setString(i, a);
break;
case ODPS_BIGINT:
r.setBigint(i, Long.parseLong(a));
break;
case ODPS_DOUBLE:
r.setDouble(i, Double.parseDouble(a));
break;
case ODPS_DATETIME:
r.setDatetime(i, (Date) sdf.parse(a));
break;
case ODPS_BOOLEAN:
r.setBoolean(i, Boolean.parseBoolean(a));
break;
default:
break;
}
}
} catch (ParseException e) {
// 解析错误,忽略本行
} catch (ArrayIndexOutOfBoundsException e) {
// 通常原因是少列,忽略本行
} catch (NumberFormatException e) {
// 数据类型不匹配,忽略本行
} catch (Exception e) {
// 本次上传失败,直接退出
throw e;
}
// 如果网络不稳定,可能抛出异常。如果发生,则进行重试处理
for (int t = 0; t >= 0; t++)
try {
writer.write(r);
if (t > 0) {
System.out.println("write retry suc.retry=" + t);
}
if (writer.getTotalBytes() > max_byte_curr) {
max_byte_curr = writer.getTotalBytes()
+ MAX_BYTE_WRITER;
writer.close();
writer = up.openRecordWriter(++blockid);
blocks.add(blockid);
}
break;
} catch (IOException e) {
if (t < 10) {
Thread.sleep(2000);
} else {
throw e;
}
}
}
writer.close();
// 只有complete成功,数据才会被真正写到ODPS中
up.complete(blocks.toArray(new Long[blocks.size()]));
} finally {
if (br != null) {
br.close();
}
}
}
public static void main(String args[]) {
try {
UploadFile("C:/hoh.txt", "sale_detail", "pid=201412");
System.out.println("fileupload sucessful");
} catch (Exception e) {
// 本次上传失败,所有已经write 成功的数据都会被丢弃。
e.printStackTrace();
}
}
}
祝你好运!!